зеркало из https://github.com/mozilla/gecko-dev.git
136 строки
3.8 KiB
JavaScript
136 строки
3.8 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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var TabsPopup = {
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init: function() {
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Elements.tabs.addEventListener("TabOpen", this, true);
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Elements.tabs.addEventListener("TabRemove", this, true);
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this._updateTabsCount();
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// Bind resizeHandler so we can pass it to addEventListener/removeEventListener.
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this.resizeHandler = this.resizeHandler.bind(this);
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},
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get box() {
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delete this.box;
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return this.box = document.getElementById("tabs-popup-container");
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},
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get list() {
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delete this.list;
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return this.list = document.getElementById("tabs-popup-list");
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},
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get button() {
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delete this.button;
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return this.button = document.getElementById("tool-tabs");
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},
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get visible() {
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return !this.box.hidden;
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},
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toggle: function toggle() {
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if (this.visible)
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this.hide();
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else
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this.show();
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},
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show: function show() {
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while(this.list.firstChild)
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this.list.removeChild(this.list.firstChild);
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let tabs = Browser.tabs;
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tabs.forEach(function(aTab) {
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let item = document.createElement("richlistitem");
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item.className = "tab-popup-item";
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if (aTab.active)
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item.classList.add("selected");
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let browser = aTab.browser;
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let icon = browser.mIconURL;
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let caption = browser.contentTitle || browser.currentURI.spec;
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if (browser.__SS_restore) {
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/* if this is a zombie tab, pull the tab title/url out of session store data */
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let entry = browser.__SS_data.entries[0];
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caption = entry.title;
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let pageURI = Services.io.newURI(entry.url, null, null);
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try {
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let iconURI = gFaviconService.getFaviconImageForPage(pageURI);
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icon = iconURI.spec;
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} catch(ex) { }
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} else {
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if (caption == "about:blank")
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caption = browser.currentURI.spec;
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if (!icon) {
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let iconURI = gFaviconService.getFaviconImageForPage(browser.currentURI);
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icon = iconURI.spec;
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}
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}
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item.setAttribute("img", icon);
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item.setAttribute("label", caption);
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this.list.appendChild(item);
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item.tab = aTab;
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}, this)
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// Set the box position.
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this.box.hidden = false;
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this.box.anchorTo(this.button, "after_end");
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BrowserUI.pushPopup(this, [this.box, this.button]);
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window.addEventListener("resize", this.resizeHandler, false);
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},
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hide: function hide() {
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if (!this.box.hidden) {
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this.box.hidden = true;
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BrowserUI.popPopup(this);
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window.removeEventListener("resize", this.resizeHandler, false);
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}
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},
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closeTab: function(aTab) {
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messageManager.addMessageListener("Browser:CanUnload:Return", this.closeTabReturn.bind(this));
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},
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closeTabReturn: function(aMessage) {
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messageManager.removeMessageListener("Browser:CanUnload:Return", this.closeTabReturn.bind(this));
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if (!aMessage.json.permit)
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return;
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let removedTab = Browser.getTabForBrowser(aMessage.target);
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setTimeout(function(self) {
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let items = self.list.childNodes;
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let selected = Browser.selectedTab;
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for (let i = 0; i < items.length; i++) {
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if (items[i].tab == selected)
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items[i].classList.add("selected");
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else if (items[i].tab == removedTab)
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self.list.removeChild(items[i]);
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}
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}, 0, this);
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},
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_updateTabsCount: function() {
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let cmd = document.getElementById("cmd_showTabs");
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cmd.setAttribute("label", Browser.tabs.length);
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},
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resizeHandler: function resizeHandler(aEvent) {
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if (aEvent.target != window)
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return;
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if (!Util.isPortrait())
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this.hide();
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},
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handleEvent: function handleEvent(aEvent) {
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this._updateTabsCount();
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}
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};
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